2245442 has 4 divisors (see below), whose sum is σ = 3368166. Its totient is φ = 1122720.

The previous prime is 2245429. The next prime is 2245457. The reversal of 2245442 is 2445422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2042041 + 203401 = 1429^2 + 451^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561359 + ... + 561362.

2^2245442 is an apocalyptic number.

2245442 is a deficient number, since it is larger than the sum of its proper divisors (1122724).

2245442 is a wasteful number, since it uses less digits than its factorization.

2245442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122723.

The product of its digits is 2560, while the sum is 23.

The square root of 2245442 is about 1498.4798964284. The cubic root of 2245442 is about 130.9485258988.

The spelling of 2245442 in words is "two million, two hundred forty-five thousand, four hundred forty-two".